Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #include <util/Decompressor.hxx>
      21             : #include <util/CompressorIterator.hxx>
      22             : 
      23             : using namespace xmlsearch;
      24             : using namespace xmlsearch::util;
      25             : 
      26             : const sal_Int32 Decompressor::BitsInByte = 8;
      27             : const sal_Int32 Decompressor::NBits = 32;
      28             : 
      29           0 : inline sal_Int32 getInteger_( const sal_Int8* v )
      30             : {
      31           0 :     return (((((( (v[0]&0xFF) ) << 8 )
      32           0 :                 | (v[1]&0xFF) ) << 8 )
      33           0 :                 | (v[2]&0xFF) ) << 8 )
      34           0 :                 | (v[3]&0xFF);
      35             : }
      36             : 
      37           0 : sal_Int32 StreamDecompressor::getNextByte()
      38             : {
      39             :   sal_Int8 a[4];
      40           0 :   a[0] = a[1] = a[2] = 0;
      41           0 :   if( in_->readBytes( &a[3],1 ) != -1 )
      42           0 :     return getInteger_( a );
      43             :   else
      44           0 :     return -1;
      45             : }
      46             : 
      47             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */